An icosahedron?
By coolsasi2k6
@coolsasi2k6 (279)
India
December 5, 2006 5:25pm CST
A 20 sided figure. The icosahedron is in the icosahedral symmetry group. It has 30 edges and 12 vertices. The vertex configuration is 3,3,3,3,3. Vertex configuration is the sequence of faces arranged around a vertex.
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